@Kent Baxley It's been retested with graphic card unplugged, as result it does finished 30_cycles test with failure message, and random stuck does not appear.
** Attachment added: "hibernate 30 cylces log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1092045/+attachment/3476039/+files/hibernate_30_cycles.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1092045 Title: [Dell Optiplex 7010 DT] ACPI Error, stuck in suspend randomly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1092045/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs